On r- and k-selection. american naturalist

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WebPublished 1 September 1972. Psychology. The American Naturalist. The concepts of r and K selection and b and d selection are discussed and compared. The former pair of … Web阅读量：. 260. 作者：. Pianka ， Eric R. 摘要：. In r-type natural selection, mortality is relatively independent of genotype and population size due to the variable or unpredictable nature of the environment. In K-type selection, which occurs in fairly constant or predictable environments, individuals are favoured which have the ...

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Web13 de abr. de 2024 · Consumptive effects (CEs) of predation have been well-studied in most aquatic systems, but nonconsumptive effects (NCEs) on prey have only recently received limited attention. As aquatic consumers, t... Web11 de abr. de 2024 · 1 Introduction. As a fundamental concept for dynamic component of the climate system, resilience is typically defined as the ability of individual trees, forests or ecosystems to resist sudden disturbances and recover to their initial state (Holling, 1973; Simoniello et al., 2008).Given the large potential of vegetation to take up atmospheric … hiddleston boxers photoshoot

Pianka, E. R. (1970). On R- and K-Selection. American Naturalist, …

WebPianka, E.R. (1970) On r and k selection. American Naturalist, 104, 592-597. doi:10.1086/282697 has been cited by the following article: TITLE: Effects of life-history … WebThe concepts of r and K selection and b and d selection are discussed and compared. The former pair of concepts will play a central role in the development of new theories in … Webpianka, e.r., r and k selection or b and d selection, american naturalist 106: 581 (1972). google scholar. pianka, e.r., r-selection and k-selection, american naturalist 104: 592 … hiddleston pronunciation

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Reconsideration of r/K Selection Theory Using Stochastic …

WebVol. 109, No. 967 The American Naturalist May-June 1975 r- AND K-SELECTION IN T YPHA S. J. McNAUGHTON Biological Research Laboratories, 130 College Place, … Web592 THE AMERICAN NATURALIST ON r AND K-SELECTION Dobzhansky (1950) proposed that natural selection in the tropics operates in a fundamentally different way … howell nature center groundhog dayWeb12 de abr. de 2024 · Interactions between stress-tolerant and stress-intolerant species (nurse–protégé interactions) bear the potential to diversify green roof functionality, yet are not well understood. We provide a fra... hiddleston height

"WebAlexander Milles, Melanie Dammhahn, Florian Jeltsch, Ulrike Schlägel, and Volker Grimm Fluctuations in Density-Dependent Selection Drive the Evolution of a Pace-of-Life Syndrome Within and Between Populations, The American Naturalist 199, no.4 4 (Feb 2024): E124–E139. " - On r- and k-selection. american naturalist

On r- and k-selection. american naturalist

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http://www.zo.utexas.edu/courses/THOC/ERP-AmNat.html WebAmerican Naturalist 100, 603-609, 1966. 5576: 1966: On r and K selection (Citation Classic) ER Pianka. American Naturalist 104, 592-597., 1970. 5091: 1970: Evolutionary …

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WebIn K-type selection, which occurs in fairly constant or predictable environments, individuals are favoured which have the best competitive abilities. ... American Naturalist 1970 Vol.104 pp.592-597 Abstract : In r-type natural selection, mortality is ... WebPianka, E.R. (1970) On r and k selection. American Naturalist, 104, 592-597. doi:10.1086/282697 has been cited by the following article: TITLE: Effects of life-history components on population dynamics of the rare endangered plant Davidia involucrata. AUTHORS: Haimei You, Yanhong Liu, Kazue Fujiwara. KEYWORDS ...

Web1 de mar. de 1981 · In the present study, the r-selected decapods were represented by the Penaeoidea group (Dendrobranchiata). The K-selected ones were represented by the Pleocyemata, i.e., Caridea, Brachyura ... WebVol. 109, No. 967 The American Naturalist May-June 1975 r- AND K-SELECTION IN T YPHA S. J. McNAUGHTON Biological Research Laboratories, 130 College Place, Syracuse, ... Wilson's (1967) theory of r- and K-selection, although similar arguments were developed earlier in different contexts (Fisher 1930; Dobzhansky 1950). As

Web23 de jun. de 2016 · Pianka ER. On r-and K-selection. American naturalist. 1970;p. 592–597. View Article Google Scholar 4. Reznick D, Bryant MJ, Bashey F. r-and K-selection revisited: the role of population regulation in life-history evolution. Ecology. 2002;83(6):1509–1520. View Article Web21 de jun. de 2024 · A K- reproductive strategy is a set of life history traits that would be selected for when a population reaches highest density. The terminology is taken from a parameter in population growth models, where carrying capacity ( K) is the maximum population size that can be supported by an environment. The opposite strategy is an r …

Web1 de jun. de 2002 · PDF The theory of r- and K-selection was one of the first predictive models for life-history evolution. ... American Naturalist 114:569–583. Boyce, M. S. 1984. Restitution of. r - and. K

WebIn ecology, r/K selection theory relates to the selection of combinations of traits in an organism that trade off between quantity and quality of offspring. The focus on either an increased quantity of offspring at the expense of individual parental investment of r-strategists, or on a reduced quantity of offspring with a corresponding increased parental … hiddlestonspecsWeb26 de dez. de 2014 · In a nutshell, R selected populations focus on quantity over quality. They are mostly geared towards the time of repopulation, when an ecosystem needs to be "filled up" again. K selected populations, on the other hand, are species that have very low mortality rates at childbirth. They have few offspring, but put more energy into nurturing … hiddleston tartanWebA comparison of environmental and population parameters between sites differing in length of frost-free period indicated that populations from short growing season locations should … hiddleston \u0026 feist architectsWebThe status of the concept of r- and K-selection is discussed and a more restricted usage of the terms is recommended. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 207,820,138 papers from all fields of science. Search ... The American Naturalist. 1972; hiddleston real estate geelongWebr/K選擇理論（r/K selection theory）是二十世紀生態學上一個有關生物體如何權衡後代的數量與品質的理論，這個理論需要將性狀和自然選擇結合在一起進行考慮。這兩個概念是相對比較出來的，在討論生物生存策略時，會針對物種進行對比。其中r理論是指以犧牲父母投資為代價從而增加子代的數量 ... hiddleston i saw the lightWebOn r- and K-selection. American Naturalist, 104, 592–597. Popper, K. R. (1959). The Logic of Scientific Discovery. London: Hutchinson. ... On the relationship between r/K selection and environmental carry capacity: a new habitat templet for plant life history strategies. Oikos, 58, 239–250. hiddleston hollow crownWebIt is argued that rand K-selection may have important ramifications for the understanding of life history evolution, but for the model to be useful, it must be interpreted strictly as it … hiddleston time goodbye